In [4]:
dna = "TCGTAACCCGAAGCGGGCAAATATTTCGAAGCCTACCCAGGGTAAAATAGATTGAGAAACAGGGCCCAGGCGTCTCGGCGGCCCGTAGGAACTTTGGATAGCCGCTCCAACACAGTGATCTTCAGCCCAACATGGGGGGGGGGGGGCGAATGGGACGCTAATACCGACTCCACACCGATGCACCAATGAGTTATGGAGGAAAAGATTAGATAGGGTACCCTCCTCCCTGACTCTTTTTTCCCGTCTGGAACTGCTCTTGTGCTACGACTTCGGCGTCTTCACTTAACCATTGTTGGTGGAAACAAACGCAACATTTACATAGGGAAATTTTAGGCGAAGCTTCAATGAAAATGATGAACACTATCTACCCACGAATCTCCCACGGGCGCCCGGTTTTTGCCCTCTCAAATGGTCCTATCAGACTTGACAATTCCCGATCAGCCGGTCGTGCACGCTCTAGATGGTAACGGGTCGGGATAGTGGGCAGTTATGCTCATTACGGGGTCCAAGTAGAAAAATCGACATCGATATGTAATATGCTCCGGGCGGAAGATTGCAAATAACCCATAATAATGCTTTGTCGAATATTGATGGGCCGCCTCAACAAGTACCCATGTTGTGGATAGATTCGGGGTTCCAGGTAGGCCCAGAAAAAGAGATTAGAAACCCATTGCGGGGGGTAGTCGCCGGGACGAAGGCGCGCCGACACCGCAGGCGCTCTATATTAGGGGCATGGCTCTAAGTCACGGAGTAATGGAGCAGCACGCAGTCAAATACACGCGGGGCTTGTGTGGGCAATGCCAAGGGCGTCTGGTGATCGGTAGAGAGCAGTTAGGATATAAGTCCATTTCATTGTTGCTCATATTCCCCAATACGCGGAATGTGCAACAATCGCTATTAATACTGTAATGGAAAATACCGGCCAGCAACT"
rna = ""

In [5]:
for base in dna:
    if(base == "T"):
        rna = rna + "U"
    else:
        rna = rna + base
        
print(rna)


UCGUAACCCGAAGCGGGCAAAUAUUUCGAAGCCUACCCAGGGUAAAAUAGAUUGAGAAACAGGGCCCAGGCGUCUCGGCGGCCCGUAGGAACUUUGGAUAGCCGCUCCAACACAGUGAUCUUCAGCCCAACAUGGGGGGGGGGGGGCGAAUGGGACGCUAAUACCGACUCCACACCGAUGCACCAAUGAGUUAUGGAGGAAAAGAUUAGAUAGGGUACCCUCCUCCCUGACUCUUUUUUCCCGUCUGGAACUGCUCUUGUGCUACGACUUCGGCGUCUUCACUUAACCAUUGUUGGUGGAAACAAACGCAACAUUUACAUAGGGAAAUUUUAGGCGAAGCUUCAAUGAAAAUGAUGAACACUAUCUACCCACGAAUCUCCCACGGGCGCCCGGUUUUUGCCCUCUCAAAUGGUCCUAUCAGACUUGACAAUUCCCGAUCAGCCGGUCGUGCACGCUCUAGAUGGUAACGGGUCGGGAUAGUGGGCAGUUAUGCUCAUUACGGGGUCCAAGUAGAAAAAUCGACAUCGAUAUGUAAUAUGCUCCGGGCGGAAGAUUGCAAAUAACCCAUAAUAAUGCUUUGUCGAAUAUUGAUGGGCCGCCUCAACAAGUACCCAUGUUGUGGAUAGAUUCGGGGUUCCAGGUAGGCCCAGAAAAAGAGAUUAGAAACCCAUUGCGGGGGGUAGUCGCCGGGACGAAGGCGCGCCGACACCGCAGGCGCUCUAUAUUAGGGGCAUGGCUCUAAGUCACGGAGUAAUGGAGCAGCACGCAGUCAAAUACACGCGGGGCUUGUGUGGGCAAUGCCAAGGGCGUCUGGUGAUCGGUAGAGAGCAGUUAGGAUAUAAGUCCAUUUCAUUGUUGCUCAUAUUCCCCAAUACGCGGAAUGUGCAACAAUCGCUAUUAAUACUGUAAUGGAAAAUACCGGCCAGCAACU

In [ ]: